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CleanFiber

39 employees

CleanFiber makes high-performance carbon-negative building insulation from recycled corrugated cardboard.

Basic info

Industry

wholesale building materials

Sectors

Construction
Social Entrepreneurship
Building Material
Manufacturing

Date founded

2013

Funding rounds raised

Total raised

$14M

from 15 investors over 15 rounds

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CleanFiber raised $14M on May 17, 2022

Investors: Lapis Advisers, LP

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CleanFiber raised $6.1M on August 2, 2021

Investors: Keiretsu Capital

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CleanFiber raised $5M on October 9, 2019

Investors: Keiretsu Forum / Capital

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CleanFiber raised $250K on June 25, 2019

Investors: National Grid

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CleanFiber raised undisclosed on January 3, 2019

Investors: Keiretsu Forum / Capital and Walnut Ventures

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CleanFiber raised $2.3M on December 13, 2018

Investors: Western New York Impact Investment Fund, SustainVC and Clean Energy Venture Group

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CleanFiber raised $5M on March 28, 2018

Investors: NXT Ventures, Keiretsu Forum Northwest, Launchpad Venture Group, 43North, SustainVC and Clean Energy Venture Group

FAQ